/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraRendererProperties.h
Internal handling of any emitter variable renames. Note that this doesn't modify the renderer, the caller will need to do that if it is desired.
virtual void RenameEmitter ( const [FName](API\Runtime\Core\UObject\FName) & InOldName, const [UNiagaraEmitter](API\Plugins\Niagara\UNiagaraEmitter) * InRenamedEmitter )